Package org.apache.parquet.hadoop.util.counters

Class BenchmarkCounter

java.lang.Object

org.apache.parquet.hadoop.util.counters.BenchmarkCounter

public class BenchmarkCounter
extends Object

Encapsulate counter operations, compatible with Hadoop1/2, mapred/mapreduce API

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	BenchmarkCounter.NullCounter

Constructor Summary

Constructors

Constructor	Description
BenchmarkCounter()

Method Summary

Modifier and Type	Method	Description
static long	getBytesRead()
static long	getTime()
static long	getTotalBytes()
static void	incrementBytesRead(long val)
static void	incrementTime(long val)
static void	incrementTotalBytes(long val)
static void	initCounterFromContext(org.apache.hadoop.mapreduce.TaskAttemptContext context)	Init counters in hadoop's mapreduce API, support both 1.x and 2.x
static void	initCounterFromReporter(org.apache.hadoop.mapred.Reporter reporter, org.apache.hadoop.conf.Configuration configuration)	Init counters in hadoop's mapred API, which is used by cascading and Hive.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BenchmarkCounter

public BenchmarkCounter()

Method Detail

initCounterFromContext

public static void initCounterFromContext(org.apache.hadoop.mapreduce.TaskAttemptContext context)

Init counters in hadoop's mapreduce API, support both 1.x and 2.x

Parameters:

context - a task attempt context

initCounterFromReporter

public static void initCounterFromReporter(org.apache.hadoop.mapred.Reporter reporter,
                                           org.apache.hadoop.conf.Configuration configuration)

Init counters in hadoop's mapred API, which is used by cascading and Hive.

Parameters:

reporter - a reporter

configuration - a configuration

incrementTotalBytes

public static void incrementTotalBytes(long val)

getTotalBytes

public static long getTotalBytes()

incrementBytesRead

public static void incrementBytesRead(long val)

getBytesRead

public static long getBytesRead()

incrementTime

public static void incrementTime(long val)

getTime

public static long getTime()